package org.example.code.test2025.one_month;

public class Test {
    private float f = 1.0f;
    int m = 12;
    static int n = 1;

    public static void main(String[] args) {
//        Test t = new Test();
//        t.f = 1;
        A a = new A();
        A a1 = new B();
        A a2 = new C();
    }
}
class A{}
class B extends A{}
class C extends B{}
